Don't larger photosites generally give an image with less noise ? I always thought that was a plus in larger photosites...is that not the case ?
If all else was equal then yes larger pixels should have less noise.
But there are other factors like the % of the sensor that is actually gathering light (as opposed to electronics packages seated next to the active pixels, or the size of the walls between pixels). As well the read-out technology, A/D convertor, black frame technology and other technology/electronics have all improved over time. The end result is that each generation of sensors has actually (modestly) improved in DR/noise as the sensor pixel sizes went from 12 to 9 to 6.8 to 6 microns. Phase is claiming a similar "scootch" more improvement with the 5.2 micron sensor - of course I want to see it to believe it.
Doug Peterson
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